package com.example.demo.interceptor;

import com.example.demo.constants.Constants;
import com.example.demo.model.User;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

@Slf4j
@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        log.info("LoginInterceptor....");
        // true 表示放行， false 表示拦截
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute(Constants.USER_SESSION_KEY);
        if(user == null || user.getId() < 0){
            response.setStatus(401);
            return false;
        }
        return true;
    }
}
